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Knowledge is everything, once you fully understand PHP, you should pass on what you have learned

Understand loops
 

In every programming language you will eventually have to deal with loops, understanding how they work behind the scene can be really helpful, specially when dealing with large and complex applications, obviously performance is a key factor in large applications and this article will introduce you to the concept of loops and will cover all the basics.

Installing Composer
 

Composer is a tool used for dependency management in PHP. You are probably familiar with Pear, the PHP extension and application repository. Composer is not a package management, composer deals with packages and libraries however it does based on per-project basis. That means if your project has dependencies, that’s where Composer come in handy, by default Composer does not install anything globally.